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Better HiDPI support in HTML5.

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This commit is contained in:
Fabio Alessandrelli 2020-07-30 17:10:16 +02:00
parent afb81abae5
commit 40f73f74ce
2 changed files with 20 additions and 11 deletions
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11
platform/javascript/os_javascript.cpp
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@ -101,7 +101,7 @@ bool OS_JavaScript::check_size_force_redraw() {
if (last_width != canvas_width || last_height != canvas_height) {
last_width = canvas_width;
last_height = canvas_height;
// Update the framebuffer size and for redraw.
// Update the framebuffer size for redraw.
emscripten_set_canvas_element_size(canvas_id.utf8().get_data(), canvas_width, canvas_height);
return true;
}
@ -159,7 +159,11 @@ void OS_JavaScript::set_window_size(const Size2 p_size) {
emscripten_exit_soft_fullscreen();
window_maximized = false;
}
emscripten_set_canvas_element_size(canvas_id.utf8().get_data(), p_size.x, p_size.y);
double scale = EM_ASM_DOUBLE({
return window.devicePixelRatio || 1;
});
emscripten_set_canvas_element_size(canvas_id.utf8().get_data(), p_size.x * scale, p_size.y * scale);
emscripten_set_element_css_size(canvas_id.utf8().get_data(), p_size.x, p_size.y);
}
}
@ -1147,9 +1151,8 @@ bool OS_JavaScript::main_loop_iterate() {
strategy.canvasResizedCallback = NULL;
emscripten_enter_soft_fullscreen(canvas_id.utf8().get_data(), &strategy);
} else {
emscripten_set_canvas_element_size(canvas_id.utf8().get_data(), windowed_size.width, windowed_size.height);
set_window_size(Size2(windowed_size.width, windowed_size.height));
}
emscripten_set_canvas_element_size(canvas_id.utf8().get_data(), windowed_size.width, windowed_size.height);
just_exited_fullscreen = false;
}